1. This additional lens is suitable for digital video cameras with 37mm front port diameter, that is, SLR lens with 37mm filter. 2. It can increase the spatial depth of the photographic picture. 3. The long depth of field can ensure that the front and back scenes of the subject can clearly appear on the screen. 4. The lens covers a large area and the shooting range is wide. 5. The image of the scene shot at the same shooting distance is smaller than that of the scene shot with a standard lens. 6. Small size, light weight, easy to load and unload, and convenient to carry. 7. Expanding the coverage of the field of view during photography will make the scenes that cannot be taken in more complete. 8. Mirror surface with high transmittance and multi-layer coating lens enhances image contrast and reduces halo to reduce dispersion and image.
